package chixing.day09.classe;
/**
 * Cpu 行业标准
 * interface 接口
 * interface A(){
 *     public abstract void cpuRun();
 *     public abstract void cpuStop();
 * }
 */
public interface  Cpu {
    // 全局常量
    public static final int CPU_FREQUENCY = 1000;
    int a =100; //等价于public static final int a =100;
    public abstract void cpuRun();
    public abstract void cpuStop();
}
